Home / 788,448.20-1,182,024.30-339,513.80

Finding the Fourth Proportional to 788,448.20, 1,182,024.30 and 339,513.80

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Solution

The fourth proportional to 788,448.20, 1,182,024.30 and 339,513.80 is: 508,991.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,448.20 : 1,182,024.30 = 339,513.80 : x
  2. Step 2: Convert to fraction form
    788,448.20/1,182,024.30 = 339,513.80/x
  3. Step 3: Cross multiply
    788,448.20x = 1,182,024.30 × 339,513.80
  4. Step 4: Simplify right side
    788,448.20x = 401,313,561,785.34
  5. Step 5: Solve for x
    x = 401,313,561,785.34/788,448.20
  6. Step 6: Final answer
    x = 508,991.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.